/* banner背景 */
.banner {
    height: 420px;
    background-color: #1C036B;
}

/* banner 中心块样式 */
.banner-center {
    width: 1200px;
    height: 420px;
    margin: 0 auto;
    background-image: url(../imgs/banner2.png);
    background-repeat: no-repeat;
}

/* 左侧导航的样式 */
.subnav {
    float: left;
    width: 190px;
    height: 420px;
    background: rgba(0, 0, 0, 0.3);
}

.subnav li {
    padding-top: 21px;
    padding-left: 20px;
    padding-right: 20px;
}

.subnav li a {
    font-size: 14px;
    color: #FFFDFF;
}

.subnav li a:hover {
    color: #00B3F3;
}

.subnav li a>span {
    float: right;
}

/* 课程的样式 */
.course {
    float: right;
    margin-top: 50px;
    width: 230px;
    height: 300px;
    background-color: #fff;
}

.course h2 {
    height: 48px;
    text-align: center;
    line-height: 48px;
    color: #fff;
    background-color: #9BCEEB;
    font-size: 18px;
    font-weight: normal;
}

.course .bd {
    padding: 0 20px;
}

.course ul li {
    padding: 12px 0;
    border-bottom: 1px solid #EEEEEE;
}

.course ul li h4 {
    font-size: 16px;
    color: #565656;
}

.course ul li p {
    font-size: 12px;
    color: #A5A5A5;
}

.course .more {
    display: block;
    height: 38px;
    text-align: center;
    line-height: 38px;
    border: 1px solid #00B3F3;
    color: #00B3F3;
    font-size: 16px;
    margin-top: 5px;
}